All names: [HHD2009] SDSS J1023+0427, SDSS J102334.25+042722.2, 2MASS J10233423+0427221, TIC 277808613, WISEA J102334.22+042722.0, WIRED J102334.25+042722.2, WISE J102334.23+042722.1, WD 1020+047, Gaia EDR3 3860273007431843072, SDSS J102334.26+042722.3, Gaia DR3 3860273007431843072, Gaia DR2 3860273007431843072, SDSS J102334.26+042722.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 23 34.25 (1) | 10 23 34.25 | 10 23 34.25 (0.2) | 10 23 34.25 | 10 23 34.25 (1) | 10 23 34.25 | 10 23 33.96 | 10 23 34.26 | ||||
| Declination | 04 27 22.15 (0.8) | 04 27 22.24 | 04 27 22.16 (0.1) | 04 27 22.21 | 04 27 22.15 (0.8) | 04 27 22.29 | 04 27 17.64 | 04 27 22.25 | ||||
| Spectral type | DA+M | DA | DA+M | DA+M | DA dM | DA+M | ||||||
| Effective temperature | [K] | 16149.0 (254) | 12400.0 (240) | 9536.0 (34) | 9447.0 (53) | |||||||
| log(g) | [cgs] | 7.83 (0.06) | 8.32 (0.05) | 7.87 (0.04) | 7.58 (0.1) | |||||||
| Mass | [M☉] | 0.52 (0.03) | 0.81 (0.03) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.5754 | ||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| log(C/H) | ||||||||||||
| log(N/H) | ||||||||||||
| log(O/H) | ||||||||||||
| log(Na/H) | ||||||||||||
| log(Mg/H) | ||||||||||||
| log(Al/H) | ||||||||||||
| log(Si/H) | ||||||||||||
| log(P/H) | ||||||||||||
| log(S/H) | ||||||||||||
| log(Sc/H) | ||||||||||||
| log(Ti/H) | ||||||||||||
| log(Cr/H) | ||||||||||||
| log(Mn/H) | ||||||||||||
| log(Fe/H) | ||||||||||||
| log(Ni/H) | ||||||||||||
| Parallax | [mas] | 4.77 (0.2) | ||||||||||
| Distance | [pc] | 209.54 (7) | ||||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -0.360856006 (0.3) | -2.0 (3) | -2.5 | ||||||||
| Proper motion (declination) | [mas/yr] | -21.26087676 (0.2) | -19.0 (3) | -17.6 | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.14 (0.04) | |||||||||||
| H magnitude | 14.57 (0.06) | |||||||||||
| K magnitude | 14.22 (0.08) | |||||||||||
| u magnitude | 18.06 (0.01) | 18.08 | 18.06 (0.01) | 18.08 (0.02) | 18.08 | 18.08 (0.02) | ||||||
| g magnitude | 17.71 (0.005) | 17.72 | 17.71 (0.005) | 17.72 (0.02) | 17.72 | 17.72 (0.02) | ||||||
| r magnitude | 17.70 (0.006) | 17.73 | 17.70 (0.006) | 17.73 (0.02) | 17.74 | 17.74 (0.02) | ||||||
| i magnitude | 17.09 (0.005) | 17.14 | 17.09 (0.005) | 17.14 (0.02) | 17.14 | 17.14 (0.02) | ||||||
| z magnitude | 16.50 (0.009) | 16.52 | 16.50 (0.009) | 16.52 (0.02) | 16.52 | 16.52 (0.02) | ||||||
| G magnitude | 17.69 (0.02) | 17.71 | 17.69 (0.02) | |||||||||
| BP magnitude | 17.72 (0.02) | 17.76 | ||||||||||
| RP magnitude | 16.66 (0.007) | 16.64 | ||||||||||
| Pan g magnitude | 17.71 (0.007) | |||||||||||
| Pan r magnitude | 17.72 (0.004) | |||||||||||
| Pan i magnitude | 17.13 (0.006) | |||||||||||
| Pan z magnitude | 16.65 (0.007) | |||||||||||
| Pan y magnitude | 16.40 (0.007) | |||||||||||
| E(B-V) | 0.019 | |||||||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.